Chronic Wasting Disease (CWD) is spreading among elk, moose, and white-tail and mule deer in North America. The affliction is a type of transmissible spongiform encephalopathy. “Mad Cow” Disease (bovine spongiform encephalopathy) is the best-known disease in this family, as is the human-borne Creutzfeldt–Jakob Disease. It was first found in a deer-research facility in Colorado … More Chronic Wasting Disease